Specifying [Mask type:]

Open the printer properties dialog box.

Click [Add/Change Custom Settings...], and click [Edit] tab.

If the dialog box type is Multi-tab, click [Setup] tab.

Select the [Unauthorized copy...] check box.

Click [Control Settings...].

Select the [Mask type:] check box, and specify mask type.

Additionally, specify the settings in the [Unauthorized copy prevention: Text] area.

Click [OK].